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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.springframework.security.authentication.jaas</a></div>
<h2 title="Class JaasAuthenticationProvider" class="title">Class JaasAuthenticationProvider</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li><a href="AbstractJaasAuthenticationProvider.html" title="class in org.springframework.security.authentication.jaas">org.springframework.security.authentication.jaas.AbstractJaasAuthenticationProvider</a></li>
<li>
<ul class="inheritance">
<li>org.springframework.security.authentication.jaas.JaasAuthenticationProvider</li>
</ul>
</li>
</ul>
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<dt>All Implemented Interfaces:</dt>
<dd><code>java.util.EventListener</code>, <code>org.springframework.beans.factory.Aware</code>, <code>org.springframework.beans.factory.InitializingBean</code>, <code>org.springframework.context.ApplicationEventPublisherAware</code>, <code>org.springframework.context.ApplicationListener&lt;<a href="../../core/session/SessionDestroyedEvent.html" title="class in org.springframework.security.core.session">SessionDestroyedEvent</a>&gt;</code>, <code><a href="../AuthenticationProvider.html" title="interface in org.springframework.security.authentication">AuthenticationProvider</a></code></dd>
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<hr>
<pre>public class <span class="typeNameLabel">JaasAuthenticationProvider</span>
extends <a href="AbstractJaasAuthenticationProvider.html" title="class in org.springframework.security.authentication.jaas">AbstractJaasAuthenticationProvider</a></pre>
<div class="block">An <a href="../AuthenticationProvider.html" title="interface in org.springframework.security.authentication"><code>AuthenticationProvider</code></a> implementation that retrieves user details from a
JAAS login configuration.
<p>
This <code>AuthenticationProvider</code> is capable of validating
<a href="../UsernamePasswordAuthenticationToken.html" title="class in org.springframework.security.authentication"><code>UsernamePasswordAuthenticationToken</code></a>
requests contain the correct username and password.
</p>
<p>
This implementation is backed by a
<a href="https://java.sun.com/j2se/1.5.0/docs/guide/security/jaas/JAASRefGuide.html">
JAAS</a> configuration. The loginConfig property must be set to a given JAAS
configuration file. This setter accepts a Spring
<code>Resource</code> instance. It should point to a JAAS
configuration file containing an index matching the
<a href="AbstractJaasAuthenticationProvider.html#setLoginContextName(java.lang.String)"><code>loginContextName</code></a> property.
</p>
<p>
For example: If this JaasAuthenticationProvider were configured in a Spring
WebApplicationContext the xml to set the loginConfiguration could be as follows...
<pre> &lt;property name="loginConfig"&gt;
   &lt;value&gt;/WEB-INF/login.conf&lt;/value&gt;
 &lt;/property&gt;
 </pre>
<p>
The loginContextName should coincide with a given index in the loginConfig specifed.
The loginConfig file used in the JUnit tests appears as the following...
<pre> JAASTest {
   org.springframework.security.authentication.jaas.TestLoginModule required;
 };
 </pre>
Using the example login configuration above, the loginContextName property would be set
as <i>JAASTest</i>...
<pre>  &lt;property name="loginContextName"&gt; &lt;value&gt;JAASTest&lt;/value&gt; &lt;/property&gt;
 </pre>
<p>
When using JAAS login modules as the authentication source, sometimes the <a href="https://java.sun.com/j2se/1.5.0/docs/api/javax/security/auth/login/LoginContext.html"> LoginContext</a> will require <i>CallbackHandler</i>s. The JaasAuthenticationProvider
uses an internal <a href="https://java.sun.com/j2se/1.5.0/docs/api/javax/security/auth/callback/CallbackHandler.html">CallbackHandler </a> to wrap the <a href="JaasAuthenticationCallbackHandler.html" title="interface in org.springframework.security.authentication.jaas"><code>JaasAuthenticationCallbackHandler</code></a>s configured
in the ApplicationContext. When the LoginContext calls the internal CallbackHandler,
control is passed to each <a href="JaasAuthenticationCallbackHandler.html" title="interface in org.springframework.security.authentication.jaas"><code>JaasAuthenticationCallbackHandler</code></a> for each Callback
passed.
<p>
<a href="JaasAuthenticationCallbackHandler.html" title="interface in org.springframework.security.authentication.jaas"><code>JaasAuthenticationCallbackHandler</code></a>s are passed to the JaasAuthenticationProvider
through the
<a href="AbstractJaasAuthenticationProvider.html#setCallbackHandlers(org.springframework.security.authentication.jaas.JaasAuthenticationCallbackHandler%5B%5D)"><code>callbackHandlers</code></a> property.
<pre> &lt;property name="callbackHandlers"&gt;
   &lt;list&gt;
     &lt;bean class="org.springframework.security.authentication.jaas.TestCallbackHandler"/&gt;
     &lt;bean class="<a href="JaasNameCallbackHandler.html" title="class in org.springframework.security.authentication.jaas"><code>org.springframework.security.authentication.jaas.JaasNameCallbackHandler</code></a>"/&gt;
     &lt;bean class="<a href="JaasPasswordCallbackHandler.html" title="class in org.springframework.security.authentication.jaas"><code>org.springframework.security.authentication.jaas.JaasPasswordCallbackHandler</code></a>"/&gt;
  &lt;/list&gt;
 &lt;/property&gt;
 </pre>
<p>
After calling LoginContext.login(), the JaasAuthenticationProvider will retrieve the
returned Principals from the Subject (LoginContext.getSubject().getPrincipals). Each
returned principal is then passed to the configured <a href="AuthorityGranter.html" title="interface in org.springframework.security.authentication.jaas"><code>AuthorityGranter</code></a>s. An
AuthorityGranter is a mapping between a returned Principal, and a role name. If an
AuthorityGranter wishes to grant an Authorization a role, it returns that role name
from it's <a href="AuthorityGranter.html#grant(java.security.Principal)"><code>AuthorityGranter.grant(java.security.Principal)</code></a> method. The returned
role will be applied to the Authorization object as a <a href="../../core/GrantedAuthority.html" title="interface in org.springframework.security.core"><code>GrantedAuthority</code></a>.
</p>
<p>
AuthorityGranters are configured in spring xml as follows...
<pre> &lt;property name="authorityGranters"&gt;
   &lt;list&gt;
     &lt;bean class="org.springframework.security.authentication.jaas.TestAuthorityGranter"/&gt;
   &lt;/list&gt;
  &lt;/property&gt;
 </pre>
A configuration note: The JaasAuthenticationProvider uses the security properties
"login.config.url.X" to configure jaas. If you would like to customize the way Jaas
gets configured, create a subclass of this and override the
<a href="JaasAuthenticationProvider.html#configureJaas(org.springframework.core.io.Resource)"><code>configureJaas(Resource)</code></a> method.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static org.apache.commons.logging.Log</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="JaasAuthenticationProvider.html#log">log</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="JaasAuthenticationProvider.html#%3Cinit%3E()">JaasAuthenticationProvider</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="JaasAuthenticationProvider.html#afterPropertiesSet()">afterPropertiesSet</a></span>()</code></th>
<td class="colLast">
<div class="block">Validates the required properties are set.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="JaasAuthenticationProvider.html#configureJaas(org.springframework.core.io.Resource)">configureJaas</a></span>&#8203;(org.springframework.core.io.Resource&nbsp;loginConfig)</code></th>
<td class="colLast">
<div class="block">Hook method for configuring Jaas.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>protected javax.security.auth.login.LoginContext</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="JaasAuthenticationProvider.html#createLoginContext(javax.security.auth.callback.CallbackHandler)">createLoginContext</a></span>&#8203;(javax.security.auth.callback.CallbackHandler&nbsp;handler)</code></th>
<td class="colLast">
<div class="block">Creates the LoginContext to be used for authentication.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>org.springframework.core.io.Resource</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="JaasAuthenticationProvider.html#getLoginConfig()">getLoginConfig</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="JaasAuthenticationProvider.html#publishFailureEvent(org.springframework.security.authentication.UsernamePasswordAuthenticationToken,org.springframework.security.core.AuthenticationException)">publishFailureEvent</a></span>&#8203;(<a href="../UsernamePasswordAuthenticationToken.html" title="class in org.springframework.security.authentication">UsernamePasswordAuthenticationToken</a>&nbsp;token,
<a href="../../core/AuthenticationException.html" title="class in org.springframework.security.core">AuthenticationException</a>&nbsp;ase)</code></th>
<td class="colLast">
<div class="block">Publishes the <a href="event/JaasAuthenticationFailedEvent.html" title="class in org.springframework.security.authentication.jaas.event"><code>JaasAuthenticationFailedEvent</code></a>.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="JaasAuthenticationProvider.html#setLoginConfig(org.springframework.core.io.Resource)">setLoginConfig</a></span>&#8203;(org.springframework.core.io.Resource&nbsp;loginConfig)</code></th>
<td class="colLast">
<div class="block">Set the JAAS login configuration file.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="JaasAuthenticationProvider.html#setRefreshConfigurationOnStartup(boolean)">setRefreshConfigurationOnStartup</a></span>&#8203;(boolean&nbsp;refresh)</code></th>
<td class="colLast">
<div class="block">If set, a call to <code>Configuration#refresh()</code> will be made by
<code>#configureJaas(Resource) </code> method.</div>
</td>
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<h3>Methods inherited from class&nbsp;org.springframework.security.authentication.jaas.<a href="AbstractJaasAuthenticationProvider.html" title="class in org.springframework.security.authentication.jaas">AbstractJaasAuthenticationProvider</a></h3>
<code><a href="AbstractJaasAuthenticationProvider.html#authenticate(org.springframework.security.core.Authentication)">authenticate</a>, <a href="AbstractJaasAuthenticationProvider.html#getApplicationEventPublisher()">getApplicationEventPublisher</a>, <a href="AbstractJaasAuthenticationProvider.html#handleLogout(org.springframework.security.core.session.SessionDestroyedEvent)">handleLogout</a>, <a href="AbstractJaasAuthenticationProvider.html#onApplicationEvent(org.springframework.security.core.session.SessionDestroyedEvent)">onApplicationEvent</a>, <a href="AbstractJaasAuthenticationProvider.html#publishSuccessEvent(org.springframework.security.authentication.UsernamePasswordAuthenticationToken)">publishSuccessEvent</a>, <a href="AbstractJaasAuthenticationProvider.html#setApplicationEventPublisher(org.springframework.context.ApplicationEventPublisher)">setApplicationEventPublisher</a>, <a href="AbstractJaasAuthenticationProvider.html#setAuthorityGranters(org.springframework.security.authentication.jaas.AuthorityGranter%5B%5D)">setAuthorityGranters</a>, <a href="AbstractJaasAuthenticationProvider.html#setCallbackHandlers(org.springframework.security.authentication.jaas.JaasAuthenticationCallbackHandler%5B%5D)">setCallbackHandlers</a>, <a href="AbstractJaasAuthenticationProvider.html#setLoginContextName(java.lang.String)">setLoginContextName</a>, <a href="AbstractJaasAuthenticationProvider.html#setLoginExceptionResolver(org.springframework.security.authentication.jaas.LoginExceptionResolver)">setLoginExceptionResolver</a>, <a href="AbstractJaasAuthenticationProvider.html#supports(java.lang.Class)">supports</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>log</h4>
<pre>protected static final&nbsp;org.apache.commons.logging.Log log</pre>
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<h4>JaasAuthenticationProvider</h4>
<pre>public&nbsp;JaasAuthenticationProvider()</pre>
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<h4>afterPropertiesSet</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;afterPropertiesSet()
                        throws java.lang.Exception</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="AbstractJaasAuthenticationProvider.html#afterPropertiesSet()">AbstractJaasAuthenticationProvider</a></code></span></div>
<div class="block">Validates the required properties are set. In addition, if
<a href="AbstractJaasAuthenticationProvider.html#setCallbackHandlers(org.springframework.security.authentication.jaas.JaasAuthenticationCallbackHandler%5B%5D)"><code>AbstractJaasAuthenticationProvider.setCallbackHandlers(JaasAuthenticationCallbackHandler[])</code></a> has not been
called with valid handlers, initializes to use <a href="JaasNameCallbackHandler.html" title="class in org.springframework.security.authentication.jaas"><code>JaasNameCallbackHandler</code></a> and
<a href="JaasPasswordCallbackHandler.html" title="class in org.springframework.security.authentication.jaas"><code>JaasPasswordCallbackHandler</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>afterPropertiesSet</code>&nbsp;in interface&nbsp;<code>org.springframework.beans.factory.InitializingBean</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="AbstractJaasAuthenticationProvider.html#afterPropertiesSet()">afterPropertiesSet</a></code>&nbsp;in class&nbsp;<code><a href="AbstractJaasAuthenticationProvider.html" title="class in org.springframework.security.authentication.jaas">AbstractJaasAuthenticationProvider</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.Exception</code></dd>
</dl>
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<h4>createLoginContext</h4>
<pre class="methodSignature">protected&nbsp;javax.security.auth.login.LoginContext&nbsp;createLoginContext&#8203;(javax.security.auth.callback.CallbackHandler&nbsp;handler)
                                                             throws javax.security.auth.login.LoginException</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="AbstractJaasAuthenticationProvider.html#createLoginContext(javax.security.auth.callback.CallbackHandler)">AbstractJaasAuthenticationProvider</a></code></span></div>
<div class="block">Creates the LoginContext to be used for authentication.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="AbstractJaasAuthenticationProvider.html#createLoginContext(javax.security.auth.callback.CallbackHandler)">createLoginContext</a></code>&nbsp;in class&nbsp;<code><a href="AbstractJaasAuthenticationProvider.html" title="class in org.springframework.security.authentication.jaas">AbstractJaasAuthenticationProvider</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>handler</code> - The CallbackHandler that should be used for the LoginContext (never
<code>null</code>).</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the LoginContext to use for authentication.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>javax.security.auth.login.LoginException</code></dd>
</dl>
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<h4>configureJaas</h4>
<pre class="methodSignature">protected&nbsp;void&nbsp;configureJaas&#8203;(org.springframework.core.io.Resource&nbsp;loginConfig)
                      throws java.io.IOException</pre>
<div class="block">Hook method for configuring Jaas.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>loginConfig</code> - URL to Jaas login configuration</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if there is a problem reading the config resource.</dd>
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<h4>publishFailureEvent</h4>
<pre class="methodSignature">protected&nbsp;void&nbsp;publishFailureEvent&#8203;(<a href="../UsernamePasswordAuthenticationToken.html" title="class in org.springframework.security.authentication">UsernamePasswordAuthenticationToken</a>&nbsp;token,
                                   <a href="../../core/AuthenticationException.html" title="class in org.springframework.security.core">AuthenticationException</a>&nbsp;ase)</pre>
<div class="block">Publishes the <a href="event/JaasAuthenticationFailedEvent.html" title="class in org.springframework.security.authentication.jaas.event"><code>JaasAuthenticationFailedEvent</code></a>. Can be overridden by
subclasses for different functionality</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="AbstractJaasAuthenticationProvider.html#publishFailureEvent(org.springframework.security.authentication.UsernamePasswordAuthenticationToken,org.springframework.security.core.AuthenticationException)">publishFailureEvent</a></code>&nbsp;in class&nbsp;<code><a href="AbstractJaasAuthenticationProvider.html" title="class in org.springframework.security.authentication.jaas">AbstractJaasAuthenticationProvider</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>token</code> - The authentication token being processed</dd>
<dd><code>ase</code> - The exception that caused the authentication failure</dd>
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<h4>getLoginConfig</h4>
<pre class="methodSignature">public&nbsp;org.springframework.core.io.Resource&nbsp;getLoginConfig()</pre>
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<h4>setLoginConfig</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setLoginConfig&#8203;(org.springframework.core.io.Resource&nbsp;loginConfig)</pre>
<div class="block">Set the JAAS login configuration file.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>loginConfig</code> - </dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="https://java.sun.com/j2se/1.5.0/docs/guide/security/jaas/JAASRefGuide.html">JAAS
Reference</a></dd>
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<h4>setRefreshConfigurationOnStartup</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setRefreshConfigurationOnStartup&#8203;(boolean&nbsp;refresh)</pre>
<div class="block">If set, a call to <code>Configuration#refresh()</code> will be made by
<code>#configureJaas(Resource) </code> method. Defaults to <code>true</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>refresh</code> - set to <code>false</code> to disable reloading of the configuration. May
be useful in some environments.</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="https://jira.springsource.org/browse/SEC-1320">SEC-1320</a></dd>
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